Hustler Magazine, Inc. v. Falwell, 485 U.S. 46 (1988)
The name pretty much says it all.

Burnett v. National Enquirer, Inc, 144 Cal.App. 3d 991 (1983)
Did “a boisterous Carol Burnett had a loud argument with another diner, Henry Kissinger. . . traipse around the place offering everyone a bite of her dessert. . . [then] accidentally knocked a glass of wine over one diner and start giggling instead of apologizing?”

If you want to learn more about defamation law, we have a number of good books on the topic in the library stacks.